—Which is your favorite invention? —WeChat. It is an invention _________can help us communicate with...
2022-08-24 07:49:23 56次 2019年河南省漯河市临颍县中考一模英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Which is your favorite invention?
—WeChat. It is an invention _________can help us communicate with friends freely.
A.that B.what C.who D.whom
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